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Knowledge Cats Dirty Minds
Buildings Landmarks Trees

Knowledge

Facts, science and history of optical illusions.
See all the articles or scroll down to see what you came for.

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Rainbows are illusions

Types of Optical Illusions

Parallax effect

Parallax Effect

Best friends

best friends dirty illusion

Original: lost on the web

At first glance it looks like the brunette is groping her best friend. But as you look a little better you will find it is just a dirty optical illusion. The leg on the left belongs to the brunette, who is having her arm around it.

More optical illusions:

Scale Model of a Courtyard
Horse Head
A Giant on the Beach
A sorrowful rock
Firefall
Bending the Walls
Half Assed
Tsunami in Ohio
  • Pareidolia
  • Physical illusions
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A treesome

Treesome

a dirty mind

big cat on a roof

Big cat on the roof

Cats